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<body>
  <script>
    /*
     快速创建一个失败状态的promise实列 值为reject的实参 不管是不是promise实列

     */
    const p = Promise.reject('1')
    console.log('p',p);
    const p1 = Promise.reject(new Promise((resolve,reject)=>{
      //resolve('1')
      reject('2')
    }))
    console.log('p1',p1);
  </script>
</body>
</html>